Question

ABCD is a parallelogram.

E is the point where the diagonals AC and BD meet. Prove that triangle ABE is congruent to triangle CDE.
please write the justification for each value you find (e.g. Angle XYZ = 60° because.....)​

Answer 1

the triangle (abe) is congruent to triangle (cde) becuase vertical angles are always congruent